Improvement in shingle-machines



8 Sheets-Sheet 1.

D. W. EMERY.

Shingle-Machine. No. 215,197. Patented May 6, 1879.

N. PETERS, FHOTO UTHOGRAPHER, WASHINGTON D C 3 Sheets Sheet 2.

D W. BMERY.

Shingle-Machine. No. 215,197. Patented May 6,1879.

N.PE|'ER5, PHOTO-UTHOGRAPHER. WASHINGTON D c.

UNITED STATES PATENT OEEIoE.

DANIEL W. EMERY, OF AUGUSTA, MAINE.

I-MPROVEM ENT lN SHlNGLE-MACHINES.

Specification forming part of Letters Patent No. 215,197, dated May 6,1879; application filed August 26, 1878.

To all whom it may concern.-

Be it known that I, DANIEL W. EM'EBY, of Augusta, in the county ofKennebec and State of Maine, have invented certain new and usefulImprovements in Shingle- Machines, of which the following is aspecification.

Figure 1 is a perspective view, showing a machine embodying the presentinvention. Fig. 2 is a side elevation, partly in section, on line as mof Fig. 1. Fig. 3 is a side elevation, partly in section, on line y y ofFig. 4. Fig. 4 is a top-plan view, in partial section, on line 2: z ofFigs. 2 and 3. Fig. 5 is a perspective view, showing on an enlargedscale most of the operative portions of the machine.

The present invention relates to improvements in shingle-machines, andmore particularly in the detail of the feed-works, whereby certain andregular movements are secured, the meshing and unmeshing of rack andpinion avoided, the use of heavy Weight upon the carriage dispensedwith, and time and efficiency of operation gained; also,in theconstruction of the set-works for regulating the thickness of theshingle, and for regulating the thickness of each end without referenceto the other, and for holding the bolt firm and secure against anyturning; also, in the devices for regulating the cut of the bolt orshingle; also, in the general construction of said device and in thecombination of its several parts, all as will now be more fully set outand explained.

In the accompanying drawings, A denotes the shingle-machine. Thedriving-power is communicated through shaft a, and thence by belt a toshaft B. A cog-wheel, b, or belt on this shaft carries shaft 0. On theinner ends of these shafts are friction-pulleys b and 0. These shaftsrevolve in boxes attached to and equidistant from the center of the longlever D, which is hung in the center, and operated by a small weight, 1,at the end under the saw, and a larger one, 2, at the opposite end,which latter acts through the double lever E. Above and between thepulleys b and 0 is another, F, attached to a short shaft, on which is apinion, j, which engages with rack h on the carriage H, and is always ingear.

At the ends of the lever D are trips I I.

The one, by suitable notch or projection, is adapted to engage on oneend of the lever, and the other in like manner is adapted to act on thedouble lever E, which controls the opposite end of D. Thus, when thetrip 1 is disengaged, the weight 2 bears down its end of lever D andraises the opposite end, overcoming the light weight 1, and connects thefriction-pulleys c and F, and causes the carriage H to be moved upwardtoward the saw. The trip I falls forward by its own weight, and receivesthe end of the lever D into the notch. As the carriage advances a smalltruck or wheel, h, underneath, passing over the long end of lever E,raises its opposite end into the notch in trip I. When the carriage hasmoved up to its limit the trip I. is disengaged by the regulator,hereinafter to be described, and the weight 1 forces its end of lever Ddownward, connecting the friction-pulleys b and F, and moving thecarriage back to its starting-point, where it strikes and disengages thetrip I. The motion of the carriage is stopped by means of a cam, K,under the lever D, attached to a rod, k, extending to the front of themachine, and having there a handle or crank, it. The cam has a low,high, and a medium point. On turning the handle toward the saw the tripI is first disengaged by a long rod, j, attached to the cam; then thehigh point of the cam raises the levers till lever E engages in a notchin trip I. The cam still turns till it presents its medium point to thelever D, leaving a small space beween. The pulleys b and F being nowconnected, the carriage recedes till it disengages the trip I, and thelever D falls to the medium point of the cam, disconnecting all thefriction-pulleys, and permitting the carriage to stop with the utmostcertainty at this point. I

Upon the carriage H are suitably mounted and arranged the double set ofspurs or fluted rolls L and L. These are placed parallel to the lengthof the machine, and the shinglebolt rests on its end between the twosets. Each roll of said sets has a cogwheel, l, of equal size, on theend, but not engaging. In connection with each set, a third roll, M, issituated parallel and between the two rolls, being somewhat above in theupper set and below in the lower set. Each of the rolls M has a smallpinion, which unites with cogwheels I l. 011 the end of roll M is asleeve, N, containing a spiral groove, n,windingfron1 left to right, inwhich plays a pin, 112, made fast in the roll M. ()n the end of sleeve Nis a ratchet, m, which is held from turning backward by a pawl, 0,sliding on a pin, 1, attached to the frame of the carriage. The sleeve Nis forced toward the end of the roll by a spiral spring, I), behind it.

The upper set of rolls is arranged in the same manner, except that thespiral groove in the sleeves winds from right to left. At the end of themachine is an upright rod, R, on which are two bufi'ers, r and 9', eachhavinga long and a short arm, r and r. Beneath and connected with therod R is a cam, S, attached to a horizontal rod, .9, extending towardthe back of the machine, and having on its other end a ratchet-cam, U,operated by a lever, T, and pawl 1.

When the carriage advances the lever '1 falls forward and its pawl 1slides over cam U. As the carriage recedes a small wheel or truck, h,thereon strikes the lever T, pushing it backward, causing its pawl 1 toengage on a ratchet or spur of cam 1', raising the rod R, so that thesleeve N on the carriage strikes against the short arm 1" on the rod,turning the lower rolls, L, a suflicient distance to set the point of ashingle, while the other sleeve N strikes against the long arm 1", andturns the upper rolls suflicient for the butt of a shingle. When thecarriage next recedes the cam U is turned one-fourth of a revolution, asbefore, and the rod It falls by its own weight, the sleeve N strikes thelong arm 1', setting a butt at the bottom, and the other sleeve Nstrikes the short arm r, setting a point at the top of the bolt. Thesearms are so arranged as to be screwed out or in to a longer or shorterlength, thus driving the sleeve proportionally far onto the roll andsetting the shingle to any thickness desired. The thickness of eitherend of the shingle can be altered without affecting that of the oppositeend.

The particular object of the four rolls is to hold the bolt firmly andprevent its turning when it sets, thereby securing to both edges of theshingle a uniform thickness. These rolls will not prevent the tiltingmotion, but will prevent a lateral rotary motion. The back rolls, beingalso furnished with spurs, will act as a check to prevent lateralmotion.

To the pawl t is attached one end of a cord or small chain, 2. The otherend of the cord is fastened to a rod, W, which extends along on top ofthe guide-track to the upper end of the machine. To that end is hinged alight lever, w, hung near the center and extending to the left hand ofthe operator. Bymoving the lever toward him the pawl t is raised, therod it remains stationary, and the machine continues to cut the shinglesfrom one end of the bolt till the lever is again moved.

The result attained by the suspension of pawl tis a savingof timberincase of a churn butted bolt-that is, a bolt having one end larger thanthe other. The alternation being interrupted, two or more butts can becut from the large end of the bolt.

A rod, V, extends from the back of the carriage to the front side of thelower roll, and

just inside the line of out of the saw. The endnearest the saw is bentto form a finger, c, which rests against the shingle-bolt. This rod ishung near the center bya sleeve, '0', sliding on the roll M, runninglength wise the carriage, which has at its outer end the lower sleeve,N. To the other end of V is hinged the rod V, which slides through thecarriage-frame on a direct line with the trip I. A spiral spring, a, onthe rod and attached to the sleeve 1;, holds the regulator-finger 1:against the bolt. This draws the rod V" toward or recedes it from thetrip I, disengaging it as soon as the shingle is out, whether wide ornarrow. A lever, W, is hung near the center, with one end restingagainst the sleeve 2:. When the carriage recedes the other end strikes apin, drawing the finger v backward from the bolt, allowing it to set,and also allowing room to set in a new bolt when necessary. When the rodV strikes the trip I it forms a bind on the sleeve 1: and prevents theslipping but the spiral spring a, acting on the center, draws the wholeforward until arrested by the bolt.

The lever h is used to raise the head-block H while setting in a bolt;and there is also attached to the stop-motion shaft K a vertical rod, k,which engages in its motion upon an arm of R, and raises said rod farenough to permit the sleeves N to he raised when the head-block H islifted.

Having thus described my invention, what I claim as new, and desire tosecure by Letters Patent, is

1. The combination of shafts B and O, having pulleys I) and c, withfriction-wheel F and lever D, actuated as described, substantially asand for the purpose set forth.

2. The combination of hinged lever D, operated by trips I and I, leverE, and weights 1 and 2, cam K, and rod j, with the pulleys b and 0, rollF, pinion f, and carriage H, substantially as and for the purposes setforth.

3. The combination of rod R, having buffers 1'1", with vertical rod K,attached to and moved by shaft k, substantially as and for the purposesset forth.

4. The combination of arm T, pawl t, and ratchet-cam U, operated asdescribed, with cam S and rod R, carrying bufiers r 1", substantially asand for the purposes set forth.

5. The double set of rolls L, with rolls M, having rotating sleeves N,operated as described, combined with the carriage and suitable buifers,substantially as shown.

6. The combination of pawl o with ratchet- In testimony that I claim theforegoing as wheel m, sleeve N, and rolls L, substantially my own Iaffix my signature in presence of two as described. witnesses.

7. The combination of rod V, having arm 0, with spring a, and pivoted tosliding rod V, DANIEL W. EMERY. carriage H, and trip I, substantially asdey scribed. Witnesses:

8. The buffers 1" 4, having adjustable arms HIRAM SWAIN,

4" and v substantially as shown. EUGENE S. Foes.

